Re: atttypmod of 0

From: Zeugswetter Andreas DBT <Andreas(dot)Zeugswetter(at)telecom(dot)at>
To: "'pgsql-hackers(at)hub(dot)org'" <pgsql-hackers(at)hub(dot)org>
Subject: Re: atttypmod of 0
Date: 1998-02-05 17:23:59
Message-ID: 219F68D65015D011A8E000006F8590C6010A51BB@sdexcsrv1.sd.spardat.at
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This time it's during the parser (gdb told me). varcharin()
is called with a atttypmod of 0 causing a palloc() of 0
bytes. How should a VARCHAR type whithout a specified length
behave? Is this type 1 character or a variable size up to
4096?

I thought we fixed this on Feb 3. look at
parse_expr.c line 104: it should read:
if (con->typename != NULL)
! result = parser_typecast(val,
con->typename, -1);
else

I think all funcs calling with atttypmod = 0 are allways wrong, should
be -1.
or a number > 0 (or 4 if atttypmod includes the VARHDRSZ don't know)

Andreas

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